Sterling Silver with Colored Cubic Zirconia Gleaming Solitaire Earrings. Add some pizazz to your collection with these gleaming white stud earrings. Each piece features a sparkling white cubic zirconia stone surrounded by rose solitaires. These earrings are available in white gold plating, 14k gold plating or 18k rose gold plating and with clear or howlite cubic zirconia.